ARMY TM 92815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 281524/5
FIGURE 3-31. Checking Overrunning Clutch
3-12.5. Test.
3-12.5.1 Testing Starter Motor (Installed).
a.
Make sure batteries are fully charged and that all battery and starter cables are serviceable and properly
installed.
b.
Set multimeter for DC volts, and connect as shown in FIGURE 3-32, Test A. If voltage is indicated solenoid is
defective.
c.
Momentarily connect a jumper as shown in FIGURE 3-32, Test B. Multimeter should indicate battery voltage and
starter should crank the engine. If multimeter does not read battery voltage, the solenoid is defective. If
multimeter indicates battery voltage, but starter does not operate, starter is defective.
FIGURE 3-32. Starter Solenoid Test Circuit
3-12.5.2 Testing Starter Components (Removed).
a.
Using a growler tester, place armature on it and hold a hack saw blade against armature core while slowly
rotating armature, refer to FIGURE 3-33. A short circuited armature causes blade to vibrate and be attracted to
core. An armature which is short circuited must be replaced.
3-46
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